AuthorTopic: UPS and DNS - 340L (Read 7073 times)

Need help, im thinking on buy a UPS for my NAS, i had some big issues with the power at my home....

Everytime the power goes out i have to make a scan on every disk.. last time one of them lose all the stuff i had on them... (the disk were an old Seagate)Since last time i have bought some WD Red on it im affraid that all of this power on, power off damage my NAS or even my disks ( they are toooo expensive).

So, the question here is what to buy, i dont need anything special, just enough to maintain the NAS for a few minutes and if needed to shut it down safely.

Im looking at this one APC Back-UPS 700VA but im afraid that it wont connect directly ( i mean the NAS knowing when the UPS is going to ShutDown and let the NAS shutdown first) or its not compatible.

I have an APC myself, I can't remember the model at the moment. However mine doesn't support my DNS however I have my DNS just connected by the power cord to the UPS so when the mains go down, I can manually power off the DNS. Mine similar to this one:http://www.apc.com/products/family/index.cfm?id=29

The model you linked doesn't have any LAN connection support I don't think. And you need a UPS that has the female power plugs like the one I link too, rather than the male version seen on the model you linked too.

« Last Edit: September 29, 2015, 10:04:36 AM by FurryNutz »

Logged

"Nothing Funny about It...." We are not here to Impress anyone! You have a be a COMPETENT user first to under stand COMPETENT help!

In my zone and specially in my house i have some problems with a not so strong power connection, and sometimes the power goes down, everytime i turn on the DNS i have to do a scan to the drives, i was hoping that with this, even if the power was turned off more time than the UPS capacity, the UPS would send info to the DNS to make a "soft" shutdown !!!!

I will try to understand if the specific UPS can do the trick, if so i will return here for some feedback

I've bought the one i said in the first post, i have the possibility to return it if it doesn't work, so cross your fingers !!!!

I've check in D-link site about the Compatibility list for the DNS-340L and it has a reference for APC BACK-UPS ES BE500TW but i cant find it in my country for sale..... So, i checked the features and all related to the USB connection are the same, so im very excited, so wich me luck !!!!

So, i found out that the 340L is even better than o initially thought.

Going to try to explain.

What i was looking for was an UPS that could protect my DNS from the power cut's that i suffer in my area, maintaining the DNS ON and if necessary make a seamless shut down if the UPS could no longer maintain the DNS on.I found it, the exact same one that i started the thread, the APC Back-UPS 700VA, so, what is amazing in all this, the DNS recognize the UPS with the usb cable, giving some intel about the UPS itself, like the percentage of the battery, if its on power cable or battery, the serial number of it and even the Make and model....

The most amazing thing (at least for me) is the capability of the DNS transform the UPS in a network UPS, making it a Master UPS and can be accessed by windows (this part i havenīt really go all the way in config but at least halfway it was all cool) with a ip address . I found this amazing because the price range of a network card for any UPS is kinda high....

So, maybe this won't matter for the most people but for me its perfect, and i could not let this go untold !!!

Really hope that someone could benefit with this the way i did !!!!

So, for finishing this my thanks to FurryNutz for all the help !!

Best regards

Steam

PS: forgot something, at this point the UPS is only for the DNS, i unplugged the UPS from the power hopping to see what would happen when the battery went dry, and 30 minutes later the battery still had 50% battery , so i haven't had the "on site" confirmation that it could shutdown the DNS.... the 30 minutes pass with my DNS being used to watch a series on my pc, so it was in some load ..... when i have the confirmation of a safe shutdown i will report it here !!!!

You can put other devices on the UPS after your done testing. I have my ISP modem, router and DNS on my UPS. One of these days I'll upgrade the UPS so I an get remote control and connections with the DNS.

Enjoy.

Logged

"Nothing Funny about It...." We are not here to Impress anyone! You have a be a COMPETENT user first to under stand COMPETENT help!

For a start we don't have any of these units in service either with ourselves or our clients. That being said I do have a couple of general observations from reading the manual.

First up SteamMaster if you don't have any other UPS on your network then you should be using the 'Stand Alone' setting in 'Configuration --> USB Devices' not master (in general a master UPS with slave units should be only used where it and the units have fixed IP addresses - NO DHCP for them).

The UPS should send a shut down signal to the controlled device. The time this signal is sent may be fixed on small UPSs (for example at 25% power remaining in the battery or it may be a fixed time depending on the manufacturers usage calculations), larger units usually have that time period user settable.

The very long battery powered running of the UPS may be confusing both the UPS and the DNS-340L (the UPS would normally have a run time before shut down of 10 to 15 minutes maximum (I will sat our UPS gives us just over a hour running but considering its size, 7 kW, and the size of the battery bank it should).

Looking at the log shown I don't see an actual shut down command listed. I do see a couple of warnings that could be used as actual commands but they are, as it stands, warnings. This may be because of the UPS being set as a master unit in the DNS-340L.

OK, now we have to find out why the UPS and NAS are not communicating.

Since your UPS is new you should have a CD with a control program and hopefully a full manual, by full I mean something with more than the two page quick setup. There should also be a manual for the control software which will outline what you can setup on the UPS.

What you need to find is how to set the 'switch off' of a device at a set battery level. To make that setting you will have to connect the UPS to a computer and I would assume install the interface drivers on the computer (for example, our large EATON UPS is setup to send the shutdown signal to our servers via their iLO interfaces. We had to set this up using the UPS interface).

If we have a quiet day on Monday I will get one of my people to see what they can find out about your UPS and its setup, apparently that model is not available in Europe The APC website says it is Asian delivery only.